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Burkhard Stubert - Independent Consultant
Mail: burkhard.stubert@embeddeduse.com
Web: www.embeddeduse.com
Mobile: +49 176 721 433 16
Selected projects
In-vehicle infotainment systems for
American and European tier-1 suppliers
Terminal for ROPA sugar beet harvesters
and KRONE forage harvesters
SoC costs of Web vs. Qt on home
appliances: multi-million euro savings
20+ years of developing embedded
and desktop systems
Coach, system architect, lead developer
Agile: Scrum Master, Product Owner
QML, Qt, C++, C, Python, TDD, CI, JIRA,
GitHub, Git, SVN, xUnit, Squish
Deep learning: TensorFlow, Keras, NumPy
Previous companies
Nokia (NO), Cambridge Consultants (UK),
Infineon (IN, DE), Siemens (DE)
“I help teams succeed with
embedded systems.”
Car OEM: In-Vehicle Infotainment System
Special features
HMI, middleware in QML, Qt, C++ on QNX
Lifecycle and window manager for
applications like Radio, Media, Phone
Three screen resolutions; one with totally
different UI structure
Styles for different car brands
Support for right-to-left languages
Ramped up 50-person team for Indian
tier-2 supplier
Custom Qt training for 20+ developers
2 sprints on real backlog with 20+
developers: pair programming, coaching
Split up in 6 teams and added another 30
developers to these teams
Successfully went through 5 releases –
while gradually phasing me out
Coordinated technical work between
teams of tier-1 and tier-2 suppliers
Teams located in US, India and Mexico
Reusable software platform
Reused by tier-1 and tier-2 in other IVI
projects
Customer Value
ROPA: Terminal for Sugar Beet Harvesters
Special features
HMI, middleware in QML, Qt, C++ on Linux
Input with touch, rotary encoders, keys
Linux system on i.MX6 built with Yocto
Firmware update of ECUs
Integration of three Motec IP cameras
Code generator for CAN communication
On-board diagnostics and calibration
Enabled in-house development
Self-dependent team instead of full
dependence on supplier
Saved five years of development time
Used Scrum for project management
Introduced best practices like TDD,
automated testing, code generation, one-
click builds, code reviews
Significantly reduced errors in field
Quick response to bugs during harvest
Avoid damage of high-quality brand image
Helped select terminal hardware
Introduced customer to terminal
manufacturers
Customer Value
KRONE: Terminal for Forage Harvesters
Special features
HMI, middleware in QML, Qt, C++ on Linux
VNC link for remote support
Three screen resolutions/formats
Day and night mode
Multiple languages incl. Chinese, Japanese
Metric and imperial units
On-board diagnostics and calibration
Fast time to market
3 months: first prototype in harvest
18 months: presented at Agritechnica
23 months: released final product
With 3 developers and 1 UI designer!
Significant reduction of support costs
Fewer trips of support personnel for on-
site maintenance due to VNC link
Enabled in-house development
Coached three developers: self-dependent
for 5+ years
Reusable software platform
Reused in mower conditioner
Reused for three hardware variants
Customer Value
SoC Costs of Web vs. Qt on Home Appliances
Comparison: Web vs. Qt
Good UX for home appliances with Web
requires quad-core Cortex-A9 or more
Same UX with Qt easily achieved with
single-core Cortex-A8 or less
SoC cost for Web: € 21.15
SoC cost for Qt: € 9.80
Qt saves € 11.35 per appliance!
Multi-million euro savings per year
Customer: top-5 home appliance maker
Now: 250K appliances with rich UX
In 5 years: 2.5M appliances with rich UX
Future-proof system architecture
Now: only premium appliances have
microprocessor for rich UX
In 5 years: mid-range appliances move
from microcontroller to microprocessor for
rich UX
In 10 years: even low-end appliances with
rich UX
Customer Value

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Project Portfolio Burkhard Stubert

  • 1. Burkhard Stubert - Independent Consultant Mail: burkhard.stubert@embeddeduse.com Web: www.embeddeduse.com Mobile: +49 176 721 433 16 Selected projects In-vehicle infotainment systems for American and European tier-1 suppliers Terminal for ROPA sugar beet harvesters and KRONE forage harvesters SoC costs of Web vs. Qt on home appliances: multi-million euro savings 20+ years of developing embedded and desktop systems Coach, system architect, lead developer Agile: Scrum Master, Product Owner QML, Qt, C++, C, Python, TDD, CI, JIRA, GitHub, Git, SVN, xUnit, Squish Deep learning: TensorFlow, Keras, NumPy Previous companies Nokia (NO), Cambridge Consultants (UK), Infineon (IN, DE), Siemens (DE) “I help teams succeed with embedded systems.”
  • 2. Car OEM: In-Vehicle Infotainment System Special features HMI, middleware in QML, Qt, C++ on QNX Lifecycle and window manager for applications like Radio, Media, Phone Three screen resolutions; one with totally different UI structure Styles for different car brands Support for right-to-left languages Ramped up 50-person team for Indian tier-2 supplier Custom Qt training for 20+ developers 2 sprints on real backlog with 20+ developers: pair programming, coaching Split up in 6 teams and added another 30 developers to these teams Successfully went through 5 releases – while gradually phasing me out Coordinated technical work between teams of tier-1 and tier-2 suppliers Teams located in US, India and Mexico Reusable software platform Reused by tier-1 and tier-2 in other IVI projects Customer Value
  • 3. ROPA: Terminal for Sugar Beet Harvesters Special features HMI, middleware in QML, Qt, C++ on Linux Input with touch, rotary encoders, keys Linux system on i.MX6 built with Yocto Firmware update of ECUs Integration of three Motec IP cameras Code generator for CAN communication On-board diagnostics and calibration Enabled in-house development Self-dependent team instead of full dependence on supplier Saved five years of development time Used Scrum for project management Introduced best practices like TDD, automated testing, code generation, one- click builds, code reviews Significantly reduced errors in field Quick response to bugs during harvest Avoid damage of high-quality brand image Helped select terminal hardware Introduced customer to terminal manufacturers Customer Value
  • 4. KRONE: Terminal for Forage Harvesters Special features HMI, middleware in QML, Qt, C++ on Linux VNC link for remote support Three screen resolutions/formats Day and night mode Multiple languages incl. Chinese, Japanese Metric and imperial units On-board diagnostics and calibration Fast time to market 3 months: first prototype in harvest 18 months: presented at Agritechnica 23 months: released final product With 3 developers and 1 UI designer! Significant reduction of support costs Fewer trips of support personnel for on- site maintenance due to VNC link Enabled in-house development Coached three developers: self-dependent for 5+ years Reusable software platform Reused in mower conditioner Reused for three hardware variants Customer Value
  • 5. SoC Costs of Web vs. Qt on Home Appliances Comparison: Web vs. Qt Good UX for home appliances with Web requires quad-core Cortex-A9 or more Same UX with Qt easily achieved with single-core Cortex-A8 or less SoC cost for Web: € 21.15 SoC cost for Qt: € 9.80 Qt saves € 11.35 per appliance! Multi-million euro savings per year Customer: top-5 home appliance maker Now: 250K appliances with rich UX In 5 years: 2.5M appliances with rich UX Future-proof system architecture Now: only premium appliances have microprocessor for rich UX In 5 years: mid-range appliances move from microcontroller to microprocessor for rich UX In 10 years: even low-end appliances with rich UX Customer Value